1 /* $NetBSD: aica.c,v 1.20 2010/11/21 16:11:32 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 2003 SHIMIZU Ryo <ryo@misakimix.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: aica.c,v 1.20 2010/11/21 16:11:32 tsutsui Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/audioio.h> 40 41 #include <dev/audio_if.h> 42 #include <dev/mulaw.h> 43 #include <dev/auconv.h> 44 45 #include <machine/bus.h> 46 #include <machine/sysasicvar.h> 47 48 #include <dreamcast/dev/g2/g2busvar.h> 49 #include <dreamcast/dev/g2/aicavar.h> 50 #include <dreamcast/dev/microcode/aica_armcode.h> 51 52 #define AICA_REG_ADDR 0x00700000 53 #define AICA_RAM_START 0x00800000 54 #define AICA_RAM_SIZE 0x00200000 55 #define AICA_NCHAN 64 56 #define AICA_TIMEOUT 0x1800 57 58 struct aica_softc { 59 device_t sc_dev; /* base device */ 60 bus_space_tag_t sc_memt; 61 bus_space_handle_t sc_aica_regh; 62 bus_space_handle_t sc_aica_memh; 63 64 /* audio property */ 65 int sc_open; 66 int sc_encodings; 67 int sc_precision; 68 int sc_channels; 69 int sc_rate; 70 void (*sc_intr)(void *); 71 void *sc_intr_arg; 72 73 int sc_output_master; 74 int sc_output_gain[2]; 75 #define AICA_VOLUME_LEFT 0 76 #define AICA_VOLUME_RIGHT 1 77 78 /* work for output */ 79 void *sc_buffer; 80 void *sc_buffer_start; 81 void *sc_buffer_end; 82 int sc_blksize; 83 int sc_nextfill; 84 }; 85 86 const struct { 87 const char *name; 88 int encoding; 89 int precision; 90 } aica_encodings[] = { 91 {AudioEadpcm, AUDIO_ENCODING_ADPCM, 4}, 92 {AudioEslinear, AUDIO_ENCODING_SLINEAR, 8}, 93 {AudioEulinear, AUDIO_ENCODING_ULINEAR, 8}, 94 {AudioEmulaw, AUDIO_ENCODING_ULAW, 8}, 95 {AudioEalaw, AUDIO_ENCODING_ALAW, 8}, 96 {AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16}, 97 {AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16}, 98 {AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16}, 99 {AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16}, 100 }; 101 102 #define AICA_NFORMATS 5 103 static const struct audio_format aica_formats[AICA_NFORMATS] = { 104 {NULL, AUMODE_PLAY, AUDIO_ENCODING_ADPCM, 4, 4, 105 1, AUFMT_MONAURAL, 0, {1, 65536}}, 106 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 107 1, AUFMT_MONAURAL, 0, {1, 65536}}, 108 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 109 2, AUFMT_STEREO, 0, {1, 65536}}, 110 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8, 111 1, AUFMT_MONAURAL, 0, {1, 65536}}, 112 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8, 113 2, AUFMT_STEREO, 0, {1, 65536}}, 114 }; 115 116 int aica_match(device_t, cfdata_t, void *); 117 void aica_attach(device_t, device_t, void *); 118 int aica_print(void *, const char *); 119 120 CFATTACH_DECL_NEW(aica, sizeof(struct aica_softc), aica_match, aica_attach, 121 NULL, NULL); 122 123 const struct audio_device aica_device = { 124 "Dreamcast Sound", 125 "", 126 "aica" 127 }; 128 129 inline static void aica_g2fifo_wait(void); 130 void aica_enable(struct aica_softc *); 131 void aica_disable(struct aica_softc *); 132 void aica_memwrite(struct aica_softc *, bus_size_t, uint32_t *, int); 133 void aica_ch2p16write(struct aica_softc *, bus_size_t, uint16_t *, int); 134 void aica_ch2p8write(struct aica_softc *, bus_size_t, uint8_t *, int); 135 void aica_command(struct aica_softc *, uint32_t); 136 void aica_sendparam(struct aica_softc *, uint32_t, int, int); 137 void aica_play(struct aica_softc *, int, int, int, int); 138 void aica_fillbuffer(struct aica_softc *); 139 140 /* intr */ 141 int aica_intr(void *); 142 143 /* for audio */ 144 int aica_open(void *, int); 145 void aica_close(void *); 146 int aica_query_encoding(void *, struct audio_encoding *); 147 int aica_set_params(void *, int, int, audio_params_t *, 148 audio_params_t *, stream_filter_list_t *, stream_filter_list_t *); 149 int aica_round_blocksize(void *, int, int, const audio_params_t *); 150 size_t aica_round_buffersize(void *, int, size_t); 151 int aica_trigger_output(void *, void *, void *, int, void (*)(void *), void *, 152 const audio_params_t *); 153 int aica_trigger_input(void *, void *, void *, int, void (*)(void *), void *, 154 const audio_params_t *); 155 int aica_halt_output(void *); 156 int aica_halt_input(void *); 157 int aica_getdev(void *, struct audio_device *); 158 int aica_set_port(void *, mixer_ctrl_t *); 159 int aica_get_port(void *, mixer_ctrl_t *); 160 int aica_query_devinfo(void *, mixer_devinfo_t *); 161 void aica_encode(int, int, int, int, u_char *, u_short **); 162 int aica_get_props(void *); 163 164 const struct audio_hw_if aica_hw_if = { 165 aica_open, 166 aica_close, 167 NULL, /* aica_drain */ 168 aica_query_encoding, 169 aica_set_params, 170 aica_round_blocksize, 171 NULL, /* aica_commit_setting */ 172 NULL, /* aica_init_output */ 173 NULL, /* aica_init_input */ 174 NULL, /* aica_start_output */ 175 NULL, /* aica_start_input */ 176 aica_halt_output, 177 aica_halt_input, 178 NULL, /* aica_speaker_ctl */ 179 aica_getdev, 180 NULL, /* aica_setfd */ 181 aica_set_port, 182 aica_get_port, 183 aica_query_devinfo, 184 NULL, /* aica_allocm */ 185 NULL, /* aica_freem */ 186 187 aica_round_buffersize, /* aica_round_buffersize */ 188 189 NULL, /* aica_mappage */ 190 aica_get_props, 191 aica_trigger_output, 192 aica_trigger_input, 193 NULL, /* aica_dev_ioctl */ 194 }; 195 196 int 197 aica_match(device_t parent, cfdata_t cf, void *aux) 198 { 199 static int aica_matched = 0; 200 201 if (aica_matched) 202 return 0; 203 204 aica_matched = 1; 205 return 1; 206 } 207 208 void 209 aica_attach(device_t parent, device_t self, void *aux) 210 { 211 struct aica_softc *sc; 212 struct g2bus_attach_args *ga; 213 int i; 214 215 sc = device_private(self); 216 ga = aux; 217 sc->sc_dev = self; 218 sc->sc_memt = ga->ga_memt; 219 220 if (bus_space_map(sc->sc_memt, AICA_REG_ADDR, 0x3000, 0, 221 &sc->sc_aica_regh) != 0) { 222 aprint_error(": can't map AICA register space\n"); 223 return; 224 } 225 226 if (bus_space_map(sc->sc_memt, AICA_RAM_START, AICA_RAM_SIZE, 0, 227 &sc->sc_aica_memh) != 0) { 228 aprint_error(": can't map AICA memory space\n"); 229 return; 230 } 231 232 aprint_normal(": ARM7 Sound Processing Unit\n"); 233 234 aica_disable(sc); 235 236 for (i = 0; i < AICA_NCHAN; i++) 237 bus_space_write_4(sc->sc_memt,sc->sc_aica_regh, i << 7, 238 ((bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, i << 7) 239 & ~0x4000) | 0x8000)); 240 241 /* load microcode, and clear memory */ 242 bus_space_set_region_4(sc->sc_memt, sc->sc_aica_memh, 243 0, 0, AICA_RAM_SIZE / 4); 244 245 aica_memwrite(sc, 0, aica_armcode, sizeof(aica_armcode)); 246 247 aica_enable(sc); 248 249 aprint_normal_dev(self, "interrupting at %s\n", 250 sysasic_intr_string(SYSASIC_IRL9)); 251 sysasic_intr_establish(SYSASIC_EVENT_AICA, IPL_BIO, SYSASIC_IRL9, 252 aica_intr, sc); 253 254 audio_attach_mi(&aica_hw_if, sc, self); 255 256 /* init parameters */ 257 sc->sc_output_master = 255; 258 sc->sc_output_gain[AICA_VOLUME_LEFT] = 255; 259 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 255; 260 } 261 262 void 263 aica_enable(struct aica_softc *sc) 264 { 265 266 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28a8, 24); 267 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 268 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) & ~1); 269 } 270 271 void 272 aica_disable(struct aica_softc *sc) 273 { 274 275 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 276 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) | 1); 277 } 278 279 inline static void 280 aica_g2fifo_wait(void) 281 { 282 int i; 283 284 i = AICA_TIMEOUT; 285 while (--i > 0) 286 if ((*(volatile uint32_t *)0xa05f688c) & 0x11) 287 break; 288 } 289 290 void 291 aica_memwrite(struct aica_softc *sc, bus_size_t offset, uint32_t *src, int len) 292 { 293 int n; 294 295 KASSERT((offset & 3) == 0); 296 n = (len + 3) / 4; /* uint32_t * n (aligned) */ 297 298 aica_g2fifo_wait(); 299 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 300 offset, src, n); 301 } 302 303 void 304 aica_ch2p16write(struct aica_softc *sc, bus_size_t offset, uint16_t *src, 305 int len) 306 { 307 union { 308 uint32_t w[8]; 309 uint16_t s[16]; 310 } buf; 311 uint16_t *p; 312 int i; 313 314 KASSERT((offset & 3) == 0); 315 316 while (len >= 32) { 317 p = buf.s; 318 *p++ = *src++; src++; 319 *p++ = *src++; src++; 320 *p++ = *src++; src++; 321 *p++ = *src++; src++; 322 *p++ = *src++; src++; 323 *p++ = *src++; src++; 324 *p++ = *src++; src++; 325 *p++ = *src++; src++; 326 *p++ = *src++; src++; 327 *p++ = *src++; src++; 328 *p++ = *src++; src++; 329 *p++ = *src++; src++; 330 *p++ = *src++; src++; 331 *p++ = *src++; src++; 332 *p++ = *src++; src++; 333 *p++ = *src++; src++; 334 335 aica_g2fifo_wait(); 336 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 337 offset, buf.w , 32 / 4); 338 339 offset += sizeof(uint16_t) * 16; 340 len -= 32; 341 } 342 343 if (len / 2 > 0) { 344 p = buf.s; 345 for (i = 0; i < len / 2; i++) { 346 *p++ = *src++; src++; 347 } 348 349 aica_g2fifo_wait(); 350 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 351 offset, buf.w, len / 4); 352 } 353 } 354 355 void 356 aica_ch2p8write(struct aica_softc *sc, bus_size_t offset, uint8_t *src, 357 int len) 358 { 359 uint32_t buf[8]; 360 uint8_t *p; 361 int i; 362 363 KASSERT((offset & 3) == 0); 364 while (len >= 32) { 365 p = (uint8_t *)buf; 366 367 *p++ = *src++; src++; 368 *p++ = *src++; src++; 369 *p++ = *src++; src++; 370 *p++ = *src++; src++; 371 *p++ = *src++; src++; 372 *p++ = *src++; src++; 373 *p++ = *src++; src++; 374 *p++ = *src++; src++; 375 *p++ = *src++; src++; 376 *p++ = *src++; src++; 377 *p++ = *src++; src++; 378 *p++ = *src++; src++; 379 *p++ = *src++; src++; 380 *p++ = *src++; src++; 381 *p++ = *src++; src++; 382 *p++ = *src++; src++; 383 *p++ = *src++; src++; 384 *p++ = *src++; src++; 385 *p++ = *src++; src++; 386 *p++ = *src++; src++; 387 *p++ = *src++; src++; 388 *p++ = *src++; src++; 389 *p++ = *src++; src++; 390 *p++ = *src++; src++; 391 *p++ = *src++; src++; 392 *p++ = *src++; src++; 393 *p++ = *src++; src++; 394 *p++ = *src++; src++; 395 *p++ = *src++; src++; 396 *p++ = *src++; src++; 397 *p++ = *src++; src++; 398 *p++ = *src++; src++; 399 400 aica_g2fifo_wait(); 401 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 402 offset, buf, 32 / 4); 403 404 offset += 32; 405 len -= 32; 406 } 407 408 if (len) { 409 p = (uint8_t *)buf; 410 for (i = 0; i < len; i++) 411 *p++ = *src++; src++; 412 413 aica_g2fifo_wait(); 414 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 415 offset, buf, len / 4); 416 } 417 } 418 419 int 420 aica_open(void *addr, int flags) 421 { 422 struct aica_softc *sc; 423 424 sc = addr; 425 if (sc->sc_open) 426 return EBUSY; 427 428 sc->sc_intr = NULL; 429 sc->sc_open = 1; 430 431 return 0; 432 } 433 434 void 435 aica_close(void *addr) 436 { 437 struct aica_softc *sc; 438 439 sc = addr; 440 sc->sc_open = 0; 441 sc->sc_intr = NULL; 442 } 443 444 int 445 aica_query_encoding(void *addr, struct audio_encoding *fp) 446 { 447 if (fp->index >= sizeof(aica_encodings) / sizeof(aica_encodings[0])) 448 return EINVAL; 449 450 strcpy(fp->name, aica_encodings[fp->index].name); 451 fp->encoding = aica_encodings[fp->index].encoding; 452 fp->precision = aica_encodings[fp->index].precision; 453 fp->flags = 0; 454 455 return 0; 456 } 457 458 int 459 aica_set_params(void *addr, int setmode, int usemode, 460 audio_params_t *play, audio_params_t *rec, 461 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 462 { 463 struct aica_softc *sc; 464 const audio_params_t *hw; 465 int i; 466 467 i = auconv_set_converter(aica_formats, AICA_NFORMATS, 468 AUMODE_PLAY, play, false, pfil); 469 if (i < 0) 470 return EINVAL; 471 hw = pfil->req_size > 0 ? &pfil->filters[0].param : play; 472 sc = addr; 473 sc->sc_precision = hw->precision; 474 sc->sc_channels = hw->channels; 475 sc->sc_rate = hw->sample_rate; 476 sc->sc_encodings = hw->encoding; 477 return 0; 478 } 479 480 int 481 aica_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) 482 { 483 #if 0 /* XXX this has not worked since kent-audio1 merge? */ 484 struct aica_softc *sc; 485 486 sc = addr; 487 switch (sc->sc_precision) { 488 case 4: 489 if (sc->sc_channels == 1) 490 return AICA_DMABUF_SIZE / 4; 491 else 492 return AICA_DMABUF_SIZE / 2; 493 break; 494 case 8: 495 if (sc->sc_channels == 1) 496 return AICA_DMABUF_SIZE / 2; 497 else 498 return AICA_DMABUF_SIZE; 499 break; 500 case 16: 501 if (sc->sc_channels == 1) 502 return AICA_DMABUF_SIZE; 503 else 504 return AICA_DMABUF_SIZE * 2; 505 break; 506 default: 507 break; 508 } 509 510 #endif 511 return AICA_DMABUF_SIZE / 4; 512 } 513 514 size_t 515 aica_round_buffersize(void *addr, int dir, size_t bufsize) 516 { 517 518 if (dir == AUMODE_PLAY) 519 return 65536; 520 521 return 512; /* XXX: AUMINBUF */ 522 } 523 524 void 525 aica_command(struct aica_softc *sc, uint32_t command) 526 { 527 528 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 529 AICA_ARM_CMD_COMMAND, command); 530 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 531 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 532 AICA_ARM_CMD_SERIAL) + 1); 533 } 534 535 void 536 aica_sendparam(struct aica_softc *sc, uint32_t command, 537 int32_t lparam, int32_t rparam) 538 { 539 540 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 541 AICA_ARM_CMD_LPARAM, lparam); 542 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 543 AICA_ARM_CMD_RPARAM, rparam); 544 545 aica_command(sc, command); 546 } 547 548 void 549 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 550 { 551 552 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 553 AICA_ARM_CMD_BLOCKSIZE, blksize); 554 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 555 AICA_ARM_CMD_CHANNEL, channel); 556 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 557 AICA_ARM_CMD_RATE, rate); 558 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 559 AICA_ARM_CMD_PRECISION, prec); 560 561 aica_command(sc, AICA_COMMAND_PLAY); 562 } 563 564 void 565 aica_fillbuffer(struct aica_softc *sc) 566 { 567 568 if (sc->sc_channels == 2) { 569 if (sc->sc_precision == 16) { 570 aica_ch2p16write(sc, 571 AICA_DMABUF_LEFT + sc->sc_nextfill, 572 (uint16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 573 aica_ch2p16write(sc, 574 AICA_DMABUF_RIGHT + sc->sc_nextfill, 575 (uint16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 576 } else if (sc->sc_precision == 8) { 577 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 578 (uint8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 579 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 580 (uint8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 581 } 582 } else { 583 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 584 sc->sc_buffer, sc->sc_blksize); 585 } 586 587 sc->sc_buffer = (int8_t *)sc->sc_buffer + sc->sc_blksize; 588 if (sc->sc_buffer >= sc->sc_buffer_end) 589 sc->sc_buffer = sc->sc_buffer_start; 590 591 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 592 } 593 594 int 595 aica_intr(void *arg) 596 { 597 struct aica_softc *sc; 598 599 sc = arg; 600 aica_fillbuffer(sc); 601 602 /* call audio interrupt handler (audio_pint()) */ 603 if (sc->sc_open && sc->sc_intr != NULL) { 604 (*(sc->sc_intr))(sc->sc_intr_arg); 605 } 606 607 /* clear SPU interrupt */ 608 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 609 return 1; 610 } 611 612 int 613 aica_trigger_output(void *addr, void *start, void *end, int blksize, 614 void (*intr)(void *), void *arg, const audio_params_t *param) 615 { 616 struct aica_softc *sc; 617 618 sc = addr; 619 aica_command(sc, AICA_COMMAND_INIT); 620 tsleep(aica_trigger_output, PWAIT, "aicawait", hz / 20); 621 622 sc->sc_buffer_start = sc->sc_buffer = start; 623 sc->sc_buffer_end = end; 624 sc->sc_blksize = blksize; 625 sc->sc_nextfill = 0; 626 627 sc->sc_intr = intr; 628 sc->sc_intr_arg = arg; 629 630 /* fill buffers in advance */ 631 aica_intr(sc); 632 aica_intr(sc); 633 634 /* ...and start playing */ 635 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 636 sc->sc_precision); 637 638 return 0; 639 } 640 641 int 642 aica_trigger_input(void *addr, void *start, void *end, int blksize, 643 void (*intr)(void *), void *arg, const audio_params_t *param) 644 { 645 646 return ENODEV; 647 } 648 649 int 650 aica_halt_output(void *addr) 651 { 652 struct aica_softc *sc; 653 654 sc = addr; 655 aica_command(sc, AICA_COMMAND_STOP); 656 return 0; 657 } 658 659 int 660 aica_halt_input(void *addr) 661 { 662 663 return ENODEV; 664 } 665 666 int 667 aica_getdev(void *addr, struct audio_device *ret) 668 { 669 670 *ret = aica_device; 671 return 0; 672 } 673 674 int 675 aica_set_port(void *addr, mixer_ctrl_t *mc) 676 { 677 struct aica_softc *sc; 678 679 sc = addr; 680 switch (mc->dev) { 681 case AICA_MASTER_VOL: 682 sc->sc_output_master = 683 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 684 aica_sendparam(sc, AICA_COMMAND_MVOL, 685 sc->sc_output_master, sc->sc_output_master); 686 break; 687 case AICA_OUTPUT_GAIN: 688 sc->sc_output_gain[AICA_VOLUME_LEFT] = 689 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 690 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 691 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 692 aica_sendparam(sc, AICA_COMMAND_VOL, 693 sc->sc_output_gain[AICA_VOLUME_LEFT], 694 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 695 break; 696 default: 697 return EINVAL; 698 } 699 700 return 0; 701 } 702 703 int 704 aica_get_port(void *addr, mixer_ctrl_t *mc) 705 { 706 struct aica_softc *sc; 707 708 sc = addr; 709 switch (mc->dev) { 710 case AICA_MASTER_VOL: 711 if (mc->un.value.num_channels != 1) 712 return EINVAL; 713 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 714 L16TO256(L256TO16(sc->sc_output_master)); 715 break; 716 case AICA_OUTPUT_GAIN: 717 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 718 sc->sc_output_gain[AICA_VOLUME_LEFT]; 719 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 720 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 721 break; 722 default: 723 return EINVAL; 724 } 725 return 0; 726 } 727 728 int 729 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 730 { 731 732 switch (md->index) { 733 case AICA_MASTER_VOL: 734 md->type = AUDIO_MIXER_VALUE; 735 md->mixer_class = AICA_OUTPUT_CLASS; 736 md->prev = md->next = AUDIO_MIXER_LAST; 737 strcpy(md->label.name, AudioNmaster); 738 md->un.v.num_channels = 1; 739 strcpy(md->un.v.units.name, AudioNvolume); 740 return 0; 741 case AICA_OUTPUT_GAIN: 742 md->type = AUDIO_MIXER_VALUE; 743 md->mixer_class = AICA_OUTPUT_CLASS; 744 md->prev = md->next = AUDIO_MIXER_LAST; 745 strcpy(md->label.name, AudioNoutput); 746 md->un.v.num_channels = 2; 747 strcpy(md->label.name, AudioNvolume); 748 return 0; 749 case AICA_OUTPUT_CLASS: 750 md->type = AUDIO_MIXER_CLASS; 751 md->mixer_class = AICA_OUTPUT_CLASS; 752 md->next = md->prev = AUDIO_MIXER_LAST; 753 strcpy(md->label.name, AudioCoutputs); 754 return 0; 755 } 756 757 return ENXIO; 758 } 759 760 int 761 aica_get_props(void *addr) 762 { 763 764 return 0; 765 } 766